Large Band Pass BAW Filter for Space Applications

Abstract : A resonator using shear waves of lithium niobate is used in this paper to achieve large fractional bandwidth BAW filter. Electromechanical couplings in the 20 - 50 % range are obtained for the shear waves of a thin layer of Lithium Niobate suspended on a silicon substrate. By this way a filter with fractional bandwidth over 20% has been designed for space applications.
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Matthieu Chatras, Lise Catherinot, Stéphane Bila, Dominique Cros, Sylvain Ballandras, et al.. Large Band Pass BAW Filter for Space Applications. IEEE International Frequency Control Symposium, May 2011, San Francisco - California, United States. pp.1-3, ⟨10.1109/FCS.2011.5977748⟩. ⟨hal-00683438⟩



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